Base | Representation |
---|---|
bin | 1111110100010… |
… | …10000001010001 |
3 | 100020200010211210 |
4 | 13322022001101 |
5 | 232431422110 |
6 | 21055530333 |
7 | 3200545242 |
oct | 772120121 |
9 | 306603753 |
10 | 132685905 |
11 | 68996980 |
12 | 385299a9 |
13 | 21649191 |
14 | 1389ccc9 |
15 | b9ae520 |
hex | 7e8a051 |
132685905 has 16 divisors (see below), whose sum is σ = 231597504. Its totient is φ = 64332480.
The previous prime is 132685877. The next prime is 132685909. The reversal of 132685905 is 509586231.
It is not a de Polignac number, because 132685905 - 28 = 132685649 is a prime.
It is not an unprimeable number, because it can be changed into a prime (132685909) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401914 + ... + 402243.
It is an arithmetic number, because the mean of its divisors is an integer number (14474844).
Almost surely, 2132685905 is an apocalyptic number.
132685905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
132685905 is a deficient number, since it is larger than the sum of its proper divisors (98911599).
132685905 is a wasteful number, since it uses less digits than its factorization.
132685905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 804176.
The product of its (nonzero) digits is 64800, while the sum is 39.
The square root of 132685905 is about 11518.9367998961. The cubic root of 132685905 is about 510.0447288721.
The spelling of 132685905 in words is "one hundred thirty-two million, six hundred eighty-five thousand, nine hundred five".
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